a:8:{i:0;s:2:"id";i:1;s:8:"username";i:2;s:8:"password";i:3;s:5:"email";i:4;s:3:"tel";i:5;s:8:"reg_time";s:3:"_pk";s:2:"id";s:5:"_type";a:6:{s:2:"id";s:20:"smallint(5) unsigned";s:8:"username";s:8:"char(20)";s:8:"password";s:8:"char(20)";s:5:"email";s:8:"char(20)";s:3:"tel";s:8:"char(20)";s:8:"reg_time";s:9:"timestamp";}}